A 30-year-old female asked:
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What's in numbing drops that optometrists use that makes your eye numb? Is it similar to lidocaine that dentists use in your mouth? I'm just curious.

1 doctor answer
Dr. Gary Roach
41 years experience in Anesthesiology
Yes: Numbing eye drops contain a local anesthetic similar to lidocaine.
Answered on Nov 18, 2013
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Dr. Peter Karsant
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Mouth: Yes however if the tenderness persists more than 2 days return to the dentist for evaluation of the area. This tenderness is an uncommon occurrence.
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A 26-year-old female asked:
Dr. Theodore Davantzis
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A 52-year-old member asked:
Dr. Gary-Anthony Lawson-Boucher
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Lidocaine patch: Yes.

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